title: Redundant network
include: gr.def
layout: b/s(h/vv)FFs(h/vv)/b
step: 1
to: b1 h1 c=yellow w=4
to: b1 h2 c=yellow w=4
to: b1 b2 c=yellow w=4
to: b2 h1 c=red    w=4 a=0 fhandle=tleft
to: b2 h2 c=red    w=4 a=0 fhandle=tright
to: b2 h1 c=orange    w=4 a=-2 fhandle=left
to: b2 h2 c=orange    w=4 a=2 fhandle=right